Home / 248,833,999.70-373,250,999.55-219,608,681.30

Finding the Fourth Proportional to 248,833,999.70, 373,250,999.55 and 219,608,681.30

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Solution

The fourth proportional to 248,833,999.70, 373,250,999.55 and 219,608,681.30 is: 329,413,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833,999.70 : 373,250,999.55 = 219,608,681.30 : x
  2. Step 2: Convert to fraction form
    248,833,999.70/373,250,999.55 = 219,608,681.30/x
  3. Step 3: Cross multiply
    248,833,999.70x = 373,250,999.55 × 219,608,681.30
  4. Step 4: Simplify right side
    248,833,999.70x = 81,969,159,805,082,400
  5. Step 5: Solve for x
    x = 81,969,159,805,082,400/248,833,999.70
  6. Step 6: Final answer
    x = 329,413,021.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.